boards: stm32l562e_dk: Use dts for clocks configuration

Convert board to use of device tree for clocks configuration.

Signed-off-by: Alexandre Bourdiol <alexandre.bourdiol@st.com>
This commit is contained in:
Alexandre Bourdiol 2021-05-03 15:21:12 +02:00 committed by Anas Nashif
commit 6d9c1ee292
3 changed files with 30 additions and 38 deletions

View file

@ -51,6 +51,34 @@
};
};
&clk_msi{
status = "okay";
msi-range = <6>;
msi-pll-mode;
};
&clk_lse{
status = "okay";
};
&pll {
div-m = <1>;
mul-n = <55>;
div-p = <7>;
div-q = <2>;
div-r = <2>;
clocks = <&clk_msi>;
status = "okay";
};
&rcc {
clocks = <&pll>;
clock-frequency = <DT_FREQ_M(110)>;
ahb-prescaler = <1>;
apb1-prescaler = <1>;
apb2-prescaler = <1>;
};
&usart1 {
current-speed = <115200>;
status = "okay";

View file

@ -2,8 +2,6 @@
CONFIG_SOC_SERIES_STM32L5X=y
CONFIG_SOC_STM32L562XX=y
# 110MHz system clock
CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=110000000
# enable uart driver
CONFIG_SERIAL=y
@ -14,24 +12,8 @@ CONFIG_PINMUX=y
# enable GPIO
CONFIG_GPIO=y
# clock configuration
# Enable Clocks
CONFIG_CLOCK_CONTROL=y
# SYSCLK selection
CONFIG_CLOCK_STM32_SYSCLK_SRC_PLL=y
# PLL configuration
CONFIG_CLOCK_STM32_PLL_SRC_MSI=y
CONFIG_CLOCK_STM32_MSI_RANGE=6
CONFIG_CLOCK_STM32_MSI_PLL_MODE=y
CONFIG_CLOCK_STM32_LSE=y
# produce 110MHz clock at PLL output
CONFIG_CLOCK_STM32_PLL_M_DIVISOR=1
CONFIG_CLOCK_STM32_PLL_N_MULTIPLIER=55
CONFIG_CLOCK_STM32_PLL_P_DIVISOR=7
CONFIG_CLOCK_STM32_PLL_Q_DIVISOR=2
CONFIG_CLOCK_STM32_PLL_R_DIVISOR=2
CONFIG_CLOCK_STM32_AHB_PRESCALER=1
CONFIG_CLOCK_STM32_APB1_PRESCALER=1
CONFIG_CLOCK_STM32_APB2_PRESCALER=1
# console
CONFIG_CONSOLE=y

View file

@ -2,8 +2,6 @@
CONFIG_SOC_SERIES_STM32L5X=y
CONFIG_SOC_STM32L562XX=y
# 110MHz system clock
CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=110000000
# enable uart driver
CONFIG_SERIAL=y
@ -14,24 +12,8 @@ CONFIG_PINMUX=y
# enable GPIO
CONFIG_GPIO=y
# clock configuration
# Enable Clocks
CONFIG_CLOCK_CONTROL=y
# SYSCLK selection
CONFIG_CLOCK_STM32_SYSCLK_SRC_PLL=y
# PLL configuration
CONFIG_CLOCK_STM32_PLL_SRC_MSI=y
CONFIG_CLOCK_STM32_MSI_RANGE=6
CONFIG_CLOCK_STM32_MSI_PLL_MODE=y
CONFIG_CLOCK_STM32_LSE=y
# produce 110MHz clock at PLL output
CONFIG_CLOCK_STM32_PLL_M_DIVISOR=1
CONFIG_CLOCK_STM32_PLL_N_MULTIPLIER=55
CONFIG_CLOCK_STM32_PLL_P_DIVISOR=7
CONFIG_CLOCK_STM32_PLL_Q_DIVISOR=2
CONFIG_CLOCK_STM32_PLL_R_DIVISOR=2
CONFIG_CLOCK_STM32_AHB_PRESCALER=1
CONFIG_CLOCK_STM32_APB1_PRESCALER=1
CONFIG_CLOCK_STM32_APB2_PRESCALER=1
# console
CONFIG_CONSOLE=y